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Products > GPS Module > SiRF GPS solution



GR-91S4 is an ultra miniature 13 * 15 * 2.2 mm GPS module designed by low power consumption SiRFstarIV solution. It provides superior sensitivity up to -163dBm and fast Time-To-First-Fix in navigation application. The stable performance of GR-91S4 is your best choice to be embedded in your portable device design, like PDAPNDmobile phoneDigital Camera for GPS service.


SiRFstarIV GSD4e platform with SiRFaware GPS technology

Full support for client-based and server-based SiRFInstantFix™

Small form factor: 13* 15 * 2.2 mm

RoHS/WEEE compliant

High sensitivity navigation engine (PVT) tracks as low as -163dBm

48 track verification channels

Fast Position Fix

Low power consumption

Active Jammer Remover:


Removes in-band jammers up to 80 dB-Hz


Tracks up to 8 CW jammers


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